Download Mozilla Firefox, it has spell check built into the web browser
Pic #1.
Rule #1 Think in 1/3's, don't center the subjects both left to right and top to bottom unless the subject completely fills the entire photo.
Wheels are turned the wrong way.
Pic #2
Great start but is the mailbox really more important than the entire front right corner of the E36?
Pic #3
Downhill soapbox derby or testing if the e-brake will hold on an incline?
Pic #4
See Pic #1's comments. Just an idea but why not do this shot just like #2 but include the people?
Pic #5
See Pic #4's comment.